[PATCH v6 29/34] kvm: x86: svm: Support Secure Memory Encryption within KVM

Borislav Petkov bp at alien8.de
Thu Jun 15 02:55:59 PDT 2017


On Wed, Jun 07, 2017 at 02:18:15PM -0500, Tom Lendacky wrote:
> Update the KVM support to work with SME. The VMCB has a number of fields
> where physical addresses are used and these addresses must contain the
> memory encryption mask in order to properly access the encrypted memory.
> Also, use the memory encryption mask when creating and using the nested
> page tables.
> 
> Signed-off-by: Tom Lendacky <thomas.lendacky at amd.com>
> ---
>  arch/x86/include/asm/kvm_host.h |    2 +-
>  arch/x86/kvm/mmu.c              |   12 ++++++++----
>  arch/x86/kvm/mmu.h              |    2 +-
>  arch/x86/kvm/svm.c              |   35 ++++++++++++++++++-----------------
>  arch/x86/kvm/vmx.c              |    3 ++-
>  arch/x86/kvm/x86.c              |    3 ++-
>  6 files changed, 32 insertions(+), 25 deletions(-)

Patches 27-29:

Reviewed-by: Borislav Petkov <bp at suse.de>

-- 
Regards/Gruss,
    Boris.

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